Texas Instruments

LM49350RL/NOPB

LM49350RL/NOPB Description

The LM49350RL/NOPB is a high-performance Class D audio amplifier from Texas Instruments, part of the renowned Boomer® series. This mono amplifier is designed to deliver exceptional audio quality and efficiency, making it ideal for a variety of applications. It features a maximum output power of 2W per channel at a 4-ohm load and 69mW per channel at a 32-ohm load, ensuring robust performance across different load conditions.

The LM49350RL/NOPB operates within a supply voltage range of 2.7V to 5.5V, providing flexibility in power supply requirements. It is housed in a 36-die size ball grid array (36DSBGA) package, which is suitable for surface-mount applications. This compact packaging makes it ideal for space-constrained designs, such as portable audio devices and consumer electronics.

LM49350RL/NOPB Features

• High Efficiency: As a Class D amplifier, the LM49350RL/NOPB offers high efficiency, which translates to longer battery life in portable devices and reduced power consumption in fixed installations.
• Wide Supply Voltage Range: The 2.7V to 5.5V supply voltage range ensures compatibility with a variety of power sources, enhancing its versatility.
• Robust Output Power: With a maximum output power of 2W per channel at a 4-ohm load, the LM49350RL/NOPB can drive high-quality audio signals to speakers or headphones.
• Surface-Mount Compatibility: The surface-mount package type allows for easy integration into modern PCB designs, facilitating automated assembly processes.
• Compliance and Safety: The LM49350RL/NOPB is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to moisture.
• Obsolete Status: While the product is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are required.

LM49350RL/NOPB Applications

The LM49350RL/NOPB is well-suited for a range of applications due to its high efficiency, compact size, and robust performance. Key applications include:

• Portable Audio Devices: Ideal for smartphones, tablets, and portable music players where space and power efficiency are critical.
• Consumer Electronics: Suitable for home audio systems, soundbars, and other consumer electronics requiring high-quality audio output.
• Automotive Audio Systems: The compact size and high efficiency make it a good fit for in-car audio systems, where space and power consumption are significant considerations.
• Industrial Applications: Can be used in industrial control panels and other applications requiring reliable audio output in a compact form factor.

Conclusion of LM49350RL/NOPB

The LM49350RL/NOPB from Texas Instruments is a versatile and efficient Class D audio amplifier that delivers high-quality audio performance in a compact package. Its wide supply voltage range, robust output power, and surface-mount compatibility make it an excellent choice for a variety of applications, from portable devices to consumer electronics and automotive systems. Despite its obsolete status, the LM49350RL/NOPB remains a reliable option for legacy systems and applications where its unique features are essential.